Abstract
National Road SS63 is endangered by large scale slope instability phenomena few km north of the Cerreto Pass (northern Apennines, Italy). At the Col Piagneto slope, SS63 was closed two times in the past 50 years after landslide events. In 1974, the collapse of portion of a rock slide triggered a debris slide that buried more than 50 m of the road track. In 2008, the reactivation of an earth slide in eastern portion of the slope damaged about 400 m of the “new” track built to by-pass the 1974 risk area. In order to evaluate if it is worthwhile keeping the old track open to traffic, or it is maybe better to repair the new track a comprehensive study was financed by Emilia Romagna Region. Research methods included: high resolution DEM, landslides mapping, continuous displacement and groundwater monitoring. Results allowed to assess different semi-quantitative risk scenario for the road structures or vehicles.
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Acknowledgments
The research is part of the activities carried out in the frame of the collaborative project between Università di Modena e Reggio Emilia and Servizio Tecnico di Bacino degli Affluenti del Po of Regione Emilia Romagna (reference persons: A. Corsini, A. Capra, G. Truffelli) financed by Agenzia Regionale Protezione Civile - Regione Emilia Romagna. Authors acknowledge Benedetti G. of ENSER s.r.l for providing Fig. 9.
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Corsini, A. et al. (2013). Large-Scale Slope Instability Affecting SS63 Near the Cerreto Pass (Northern Apennines, Italy). In: Margottini, C., Canuti, P., Sassa, K. (eds) Landslide Science and Practice. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-31319-6_32
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DOI: https://doi.org/10.1007/978-3-642-31319-6_32
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